Feasibility and validity of a wearable GPS device for measuring outings after stroke

Annie McCluskey, Louise Ada, Catherine M. Dean, Janine Vargas

    Research output: Contribution to journalArticleResearchpeer-review

    Abstract

    Aim. Self-report diaries are a low-cost method of measuring community participation but may be inaccurate, while the "gold standard", observation is time consuming and costly. This study aimed to investigate the feasibility and validity of a global positioning system (GPS) for measuring outings after stroke. Design. Cross-sectional cohort study. Methods. Twenty ambulant people with stroke wore a GPS device and kept a diary for 7 days, and 18 were observed for half a day. We recorded recruitment rate, user perceptions, and data extraction time. GPS data were analysed against Google maps. Percent exact agreement (PEA) with observation was calculated for GPS and diary. Results. Of 23 eligible participants, 20 consented (mean 3.6 years after stroke). GPS data recovery was high (87%). Some participants had difficulty operating the on/off switch and reading the small screen. Data extraction took an average of 5 hours per participant. PEA with observation was high for number of outings (GPS 94%; diary 89%) but lower for purpose of outings (GPS 71%; diary 82%). Conclusions. The GPS device and diary were both feasible and valid for measuring outings after stroke. Simultaneous use of GPS and diaries is recommended for comprehensive analysis of outings.
    LanguageEnglish
    Pages823180-1-823180-8
    Number of pages8
    JournalISRN rehabilitation
    Volume2012
    DOIs
    Publication statusPublished - 2012

    Fingerprint

    Geographic Information Systems
    Stroke
    Equipment and Supplies
    Observation
    Self Report
    Reading
    Cohort Studies
    Cross-Sectional Studies
    Costs and Cost Analysis

    Bibliographical note

    Copyright the Author(s) 2012. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

    Cite this

    McCluskey, Annie ; Ada, Louise ; Dean, Catherine M. ; Vargas, Janine. / Feasibility and validity of a wearable GPS device for measuring outings after stroke. In: ISRN rehabilitation. 2012 ; Vol. 2012. pp. 823180-1-823180-8.
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    abstract = "Aim. Self-report diaries are a low-cost method of measuring community participation but may be inaccurate, while the {"}gold standard{"}, observation is time consuming and costly. This study aimed to investigate the feasibility and validity of a global positioning system (GPS) for measuring outings after stroke. Design. Cross-sectional cohort study. Methods. Twenty ambulant people with stroke wore a GPS device and kept a diary for 7 days, and 18 were observed for half a day. We recorded recruitment rate, user perceptions, and data extraction time. GPS data were analysed against Google maps. Percent exact agreement (PEA) with observation was calculated for GPS and diary. Results. Of 23 eligible participants, 20 consented (mean 3.6 years after stroke). GPS data recovery was high (87{\%}). Some participants had difficulty operating the on/off switch and reading the small screen. Data extraction took an average of 5 hours per participant. PEA with observation was high for number of outings (GPS 94{\%}; diary 89{\%}) but lower for purpose of outings (GPS 71{\%}; diary 82{\%}). Conclusions. The GPS device and diary were both feasible and valid for measuring outings after stroke. Simultaneous use of GPS and diaries is recommended for comprehensive analysis of outings.",
    author = "Annie McCluskey and Louise Ada and Dean, {Catherine M.} and Janine Vargas",
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    Feasibility and validity of a wearable GPS device for measuring outings after stroke. / McCluskey, Annie; Ada, Louise; Dean, Catherine M.; Vargas, Janine.

    In: ISRN rehabilitation, Vol. 2012, 2012, p. 823180-1-823180-8.

    Research output: Contribution to journalArticleResearchpeer-review

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    AU - McCluskey, Annie

    AU - Ada, Louise

    AU - Dean, Catherine M.

    AU - Vargas, Janine

    N1 - Copyright the Author(s) 2012. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

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    N2 - Aim. Self-report diaries are a low-cost method of measuring community participation but may be inaccurate, while the "gold standard", observation is time consuming and costly. This study aimed to investigate the feasibility and validity of a global positioning system (GPS) for measuring outings after stroke. Design. Cross-sectional cohort study. Methods. Twenty ambulant people with stroke wore a GPS device and kept a diary for 7 days, and 18 were observed for half a day. We recorded recruitment rate, user perceptions, and data extraction time. GPS data were analysed against Google maps. Percent exact agreement (PEA) with observation was calculated for GPS and diary. Results. Of 23 eligible participants, 20 consented (mean 3.6 years after stroke). GPS data recovery was high (87%). Some participants had difficulty operating the on/off switch and reading the small screen. Data extraction took an average of 5 hours per participant. PEA with observation was high for number of outings (GPS 94%; diary 89%) but lower for purpose of outings (GPS 71%; diary 82%). Conclusions. The GPS device and diary were both feasible and valid for measuring outings after stroke. Simultaneous use of GPS and diaries is recommended for comprehensive analysis of outings.

    AB - Aim. Self-report diaries are a low-cost method of measuring community participation but may be inaccurate, while the "gold standard", observation is time consuming and costly. This study aimed to investigate the feasibility and validity of a global positioning system (GPS) for measuring outings after stroke. Design. Cross-sectional cohort study. Methods. Twenty ambulant people with stroke wore a GPS device and kept a diary for 7 days, and 18 were observed for half a day. We recorded recruitment rate, user perceptions, and data extraction time. GPS data were analysed against Google maps. Percent exact agreement (PEA) with observation was calculated for GPS and diary. Results. Of 23 eligible participants, 20 consented (mean 3.6 years after stroke). GPS data recovery was high (87%). Some participants had difficulty operating the on/off switch and reading the small screen. Data extraction took an average of 5 hours per participant. PEA with observation was high for number of outings (GPS 94%; diary 89%) but lower for purpose of outings (GPS 71%; diary 82%). Conclusions. The GPS device and diary were both feasible and valid for measuring outings after stroke. Simultaneous use of GPS and diaries is recommended for comprehensive analysis of outings.

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